Asap explain well Plant succession is largely controlled by competition among plants for light, and shade tolerance is a key parameter for successionTrueFalseHabitat fragmentation is a side effect of agricultureTrueFalseThe conservation corridors have a number of advantages exceptDecrease the genetic variationB Increase population sizeDecrease inbreedingD Provide alternative refuges from large disturbancesThe push-pull strategies work well for many crops, which of the following strategy is INCORRECT?A Visual distraction is a push strategyB Non-host volatiles are a push strategyC Alarm pheromones is a pull strategyD- Sex pheromones is a pull strategyFor the successful biological control on prickly pear, which of the following statements is INCORRECT?OA Prickly pear is native to AmericaB. Since Prickly peat was introduced to Australia, it spread quickly and occupied > 40K km2 in 60 years.C. The prickly peart was under control by introducing a moth species in 1914D After 1940, the prickly peart was completely under control

Botany is a sub-part of biology that deals with the subjects of plants, involving their structure,…

Plant succession is largely controlled by competition among plants for light, and shade tolerance is a key parameter for succession True False Habitat fragmentation is a side effect of agriculture True False The conservation coridors have a number of advantages except Decrease the genetic variation Increase population size Decrease inbreeding Provide alternative refuges from large disturbances The push-pull strategies work well for many crops, which of the following strategy is INCORRECT? OA Visual distractioni push strategy B Non-host volatiles are a push strategy Alarm pheromones is a pull strategy Sex pheromones is a pull strategy

Plant succession is largely controlled by competition among plants for light, and shade tolerance is a key parameter for succession True False Habitat fragmentation is a side effect of agriculture True False The conservation coridors have a number of advantages except Decrease the genetic variation Increase population size Decrease inbreeding Provide alternative refuges from large disturbances The push-pull strategies work well for many crops, which of the following strategy is INCORRECT? OA Visual distractioni push strategy B Non-host volatiles are a push strategy Alarm pheromones is a pull strategy Sex pheromones is a pull strategy

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter53: Introduction To Ecology: Population Ecology

Section: Chapter Questions

Problem 7TYU: Giant bamboos live many years without reproducing, then send up a huge flowering stalk and die...

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Giant bamboos live many years without reproducing, then send up a huge flowering stalk and die shortly thereafter. Giant bamboo is therefore an example of (a) iteroparity (b) a source population (c) a metapopulation (d) an r strategist (e) semelparity
A conservation group has approached you to provide recommendations for purchasing land to help an endangered species and increase the overall biodiversity of a forest in a landscape that has been fragmented by agriculture. In the landscape, there are several medium to largefragments and a number of small fragments. Provide recommendations to the conservation group about where in the landscape they should devote their limited resources for a maximum impact. Justify your recommendations based on metapopulation dynamics of the endangered forest breeding species and island biogeographytheory (overall biodiversity). A diagram supplementing your written answer is encouraged.
Explain how the three major types of deserts differin their climate and vegetation. Why are desert ecosystems vulnerable to long-term damage? How dodesert plants and animals survive? Explain how thethree major types of grasslands differ in their climateand vegetation. What is a savanna? Explain howsavanna animals survive seasonal variations in rainfall (Core Case Study). Why is the elephant an important component of the African savanna? DescribeTuy Sereivathana’s efforts to prevent elephants frombecoming extinct in Cambodia. Why have manyof the world’s temperate grasslands disappeared?Describe Arctic tundra and define permafrost?Explain how the three major types of forests differin their climate and vegetation. Why is biodiversityso high in tropical rain forests? Why do most soils intropical rain forests hold few plant nutrients. Whydo temperate deciduous forests typically have a thicklayer of decaying litter? What are coastal coniferousor temperate rain forests? How do most species…
InMichael Huston’s studies of Costa Rican forest diversity, the highest treediversity was found on soils with:a.very high fertility.b.moderate fertility.c.very low fertility.d.either high or low, but not moderate, fertility.e.there was no relationship between diversity and soil fertility.
Anthropogenic Land-use. A. Human activity engineers landscapes into a highly heterogenous environments which according to the biodiversity global patterns (specie area curves) should drive up the number of species present in that landscape. Explain why this is not the case in human dominated landscapes. B. How does fragmentation drive decision making in land conservation? is there a better approach, over others, for anthropogenic landscapes? (hint -SLOSS) C. Why do mainland (continental islands) generally support greater diversity than oceanic islands? reason your opinion.
What are the two key concepts for this section?What major ecological and economic benefits doforests provide? Describe the efforts of scientistsand economists to put a price tag on the majorecosystem services provided by forests and otherecosystems. Distinguish among old-growth(primary) forests, second-growth forests,and tree plantations (tree farms or commercialforests). Explain how increased reliance on treeplantations can reduce overall forest biodiversityand degrade forest topsoil.
Howdoes canopy shading influence succession of pines and deciduous trees in the Piedmontof North Carolina?a.Canopy shading by deciduous trees is required for growth of pines.b.Canopy shading by deciduous trees prevents establishment of pines untillate in succession.c.Canopy shading by deciduous trees prevents persistence of pines in latesuccessional stages.d.Canopy shading by pines prevents establishment of deciduous trees.e.Canopy shading by pines kills deciduous trees that were establishedearly in succession.
The long-leaf pine forest ecosystem once extended across 95 million acres of the southeastern US. However only 5 million acres now remain. This refers to a large reduction ina. the species rangeb a metapopulationc a mega population
Duringprimary succession at Glacier Bay, overall plant species diversity:a.first increases rapidly, then levels off.b.increases steadily throughout succession.c.increases slowly at first, then more rapidly after a few hundred years.d.peaks at intermediate successional stages.e.decreases steadily throughout succession.
The illustration below shows an ecosystem that has undergone secondary succession . What pioneer species would have been observed in this ecosystem? F. grasses and wildflowers G. lichens and mosses H. shrubs and saplings J. vultures and coyotes
Which of the following could qualify as a top-down control ona grassland community?(A) limitation of plant biomass by rainfall amount(B) influence of temperature on competition among plants(C) influence of soil nutrients on the abundance of grassesversus wildflowers(D) effect of grazing intensity by bison on plant speciesdiversity
Create model of primary succession with these stages Pioneer CommunityPedogenesisGrasses and Herbaceous PlantsShrubs and TreesMature Trees